Blog
Hosting problems, and how to fix them.
Written for the person with the problem open in another tab. Each post explains the cause, shows the commands, and says where KLYRN does it for you.
- How to move from cPanel to a new server without downtime Copy the site while the old server keeps serving, check the copy before DNS moves, then cut over. The four steps and the commands for each.
- cPanel alternatives in 2026: what to check before you switch Seven questions to ask of any hosting control panel before you leave cPanel: licence, web server, mail, migration, privilege, updates and the way back.
- Error 525 and 526 behind Cloudflare: what they mean and how to fix them Both errors mean Cloudflare reached your server and could not trust its HTTPS. How to tell which one you have and fix it at the origin.
- Cloudflare 522: when the site is fine and the DNS record is wrong A 522 means Cloudflare could not connect to the address in your DNS record. Often the server is healthy and the record points somewhere else.
- ionCube Loader on Ubuntu 24.04 with PHP 8.1 to 8.5 Install the ionCube Loader for PHP-FPM on Ubuntu 24.04, load it before OPcache, and check it worked. Plus why there is no loader for PHP 8.0.
- DNSSEC for a domain you host yourself: sign the zone, then the DS record DNSSEC has two halves that live in different places. Sign the zone on your nameserver, publish the DS at the registrar, and undo it in reverse.
- Email autoresponders done right: one reply a day, never to lists or spam An out-of-office reply that answers everything gets a mail server blocklisted. The five rules a good autoresponder follows, and how to set one.
- Hotlink protection in nginx, and what to allow Stop other websites embedding your images with nginx valid_referers, without breaking direct visits, mail clients or your own other domains.
- WordPress staging that pushes back: a real second site What a WordPress staging copy needs to be worth trusting: its own database and certificate, two ways out of search results, and a push that backs up first.
- What a hosting control panel should do when a site is down A site can be down for visitors while the server is healthy. Six things a control panel owes you when that happens, and how KLYRN does each.